body {
    background-color: #f8f8f8; 
    font-family: Arial, sans-serif; 
    margin: 0;
    padding: 0;
}

.container {
    width: 80%; 
    margin: 0 auto; 
    padding: 20px;
}

header {
    background-color: #ff0000; 
    color: #ffffff; 
    padding: 20px;
    text-align: center;
}

header h1 {
    margin: 0;
}

.main-content {
    background-color: #ffffff; 
    padding: 20px;
    margin-top: 20px;
}

a {
    color: #ff0000; 
    text-decoration: none; 
}

a:hover {
    text-decoration: underline;
}